Home / 168,780.15-233,017.65-105,204.06

Finding the Fourth Proportional to 168,780.15, 233,017.65 and 105,204.06

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Solution

The fourth proportional to 168,780.15, 233,017.65 and 105,204.06 is: 145,244.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,780.15 : 233,017.65 = 105,204.06 : x
  2. Step 2: Convert to fraction form
    168,780.15/233,017.65 = 105,204.06/x
  3. Step 3: Cross multiply
    168,780.15x = 233,017.65 × 105,204.06
  4. Step 4: Simplify right side
    168,780.15x = 24,514,402,831.66
  5. Step 5: Solve for x
    x = 24,514,402,831.66/168,780.15
  6. Step 6: Final answer
    x = 145,244.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.